This Hetalia icon contains
geschäftsanzug and business-anzug.
There might also be
anzug, anzug der kleidung, gut gekleidete person, anzug, hosenanzug, pantsuit, judge advocate, richter anwalt, and der militärgerichtsbarkeit.
The song is Just Around the Riverbend from Pocahontas. I didn't put much thought into how this song fits the Far East Asian countries. Maybe they felt like this right before meeting 19th/20th century Western countries.